Set global replacements in flipper-frontend-core

Summary: Extract setting global replacements from plugin initialization

Reviewed By: mweststrate

Differential Revision: D36129749

fbshipit-source-id: 6f5b3e27c1b798124b5f2772e9099899ce521d0a

desktop/flipper-frontend-core/src/globalObject.tsx

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+// this list should match `replace-flipper-requires.tsx` and the `builtInModules` in `desktop/.eslintrc`
+export interface GlobalObject {
+  React: any;
+  ReactDOM: any;
+  ReactDOMClient: any;
+  ReactIs: any;
+  Flipper: any;
+  FlipperPlugin: any;
+  Immer: any;
+  antd: any;
+  emotion_styled: any;
+  antdesign_icons: any;
+}
+
+export const setGlobalObject = (replacements: GlobalObject) => {
+  const globalObject = (function (this: any) {
+    return this;
+  })();
+  for (const [name, module] of Object.entries(replacements)) {
+    globalObject[name] = module;
+  }
+};